mirror of
https://github.com/Xevion/paperless-mobile.git
synced 2025-12-05 23:15:42 -06:00
438 lines
15 KiB
Dart
438 lines
15 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:paperless_mobile/core/extensions/flutter_extensions.dart';
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import 'package:pdfx/pdfx.dart';
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class DocumentView extends StatefulWidget {
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final Future<Uint8List> bytes;
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final String? title;
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final bool showAppBar;
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final bool showControls;
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const DocumentView({
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Key? key,
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required this.bytes,
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this.showAppBar = true,
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this.showControls = true,
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this.title,
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}) : super(key: key);
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@override
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State<DocumentView> createState() => _DocumentViewState();
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}
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class _DocumentViewState extends State<DocumentView> {
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late final PdfController _controller;
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int _currentPage = 1;
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int? _totalPages;
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@override
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void initState() {
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super.initState();
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final document = widget.bytes.then((value) => PdfDocument.openData(value));
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_controller = PdfController(document: document);
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final pageTransitionDuration = MediaQuery.disableAnimationsOf(context)
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? 0.milliseconds
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: 100.milliseconds;
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final canGoToNextPage = _totalPages != null && _currentPage < _totalPages!;
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final canGoToPreviousPage =
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_controller.pagesCount != null && _currentPage > 1;
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return Scaffold(
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appBar: widget.showAppBar
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? AppBar(
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title: widget.title != null ? Text(widget.title!) : null,
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)
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: null,
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bottomNavigationBar: widget.showControls
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? BottomAppBar(
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child: Row(
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children: [
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Flexible(
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child: Row(
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children: [
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IconButton.filled(
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onPressed: canGoToPreviousPage
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? () async {
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await _controller.previousPage(
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duration: pageTransitionDuration,
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curve: Curves.easeOut,
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);
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}
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: null,
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icon: const Icon(Icons.arrow_left),
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),
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const SizedBox(width: 16),
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IconButton.filled(
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onPressed: canGoToNextPage
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? () async {
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await _controller.nextPage(
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duration: pageTransitionDuration,
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curve: Curves.easeOut,
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);
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}
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: null,
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icon: const Icon(Icons.arrow_right),
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),
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],
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),
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),
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PdfPageNumber(
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controller: _controller,
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builder: (context, loadingState, page, pagesCount) {
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if (loadingState != PdfLoadingState.success) {
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return const Text("-/-");
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}
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return Text(
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"$page/$pagesCount",
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style: Theme.of(context).textTheme.titleMedium,
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).padded();
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},
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),
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],
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),
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)
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: null,
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body: PdfView(
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controller: _controller,
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onDocumentLoaded: (document) {
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if (mounted) {
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setState(() {
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_totalPages = document.pagesCount;
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});
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}
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},
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onPageChanged: (page) {
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if (mounted) {
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setState(() {
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_currentPage = page;
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});
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}
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},
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),
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);
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}
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}
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// import 'dart:async';
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// import 'dart:developer';
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// import 'package:flutter/foundation.dart';
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// import 'package:flutter/material.dart';
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// import 'package:flutter_animate/flutter_animate.dart';
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// import 'package:paperless_mobile/core/extensions/flutter_extensions.dart';
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// import 'package:pdfx/pdfx.dart';
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// class DocumentView extends StatefulWidget {
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// final String? filePath;
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// final Future<Uint8List>? bytes;
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// final String? title;
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// final bool showAppBar;
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// final bool showControls;
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// const DocumentView({
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// super.key,
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// this.bytes,
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// this.showAppBar = true,
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// this.showControls = true,
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// this.title,
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// this.filePath,
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// }) : assert(bytes != null || filePath != null);
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// @override
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// State<DocumentView> createState() => _DocumentViewState();
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// }
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// class _DocumentViewState extends State<DocumentView> {
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// late final PdfController _controller;
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// int _currentPage = 1;
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// int? _totalPages;
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// @override
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// void initState() {
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// super.initState();
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// Future<PdfDocument> document;
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// if (widget.bytes != null) {
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// document = widget.bytes!.then((value) => PdfDocument.openData(value));
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// } else {
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// document = PdfDocument.openFile(widget.filePath!);
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// }
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// _controller = PdfController(document: document);
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// }
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// @override
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// void didChangeDependencies() {
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// super.didChangeDependencies();
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// }
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// @override
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// void dispose() {
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// _controller.dispose();
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// super.dispose();
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// }
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// @override
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// Widget build(BuildContext context) {
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// final pageTransitionDuration = MediaQuery.disableAnimationsOf(context)
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// ? 0.milliseconds
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// : 100.milliseconds;
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// final canGoToNextPage = _totalPages != null && _currentPage < _totalPages!;
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// final canGoToPreviousPage =
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// _controller.pagesCount != null && _currentPage > 1;
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// return Scaffold(
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// appBar: widget.showAppBar
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// ? AppBar(
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// title: widget.title != null ? Text(widget.title!) : null,
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// )
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// : null,
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// bottomNavigationBar: widget.showControls
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// ? BottomAppBar(
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// child: Row(
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// children: [
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// Flexible(
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// child: Row(
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// children: [
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// IconButton.filled(
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// onPressed: canGoToPreviousPage
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// ? () async {
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// await _controller.previousPage(
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// duration: pageTransitionDuration,
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// curve: Curves.easeOut,
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// );
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// }
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// : null,
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// icon: const Icon(Icons.arrow_left),
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// ),
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// const SizedBox(width: 16),
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// IconButton.filled(
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// onPressed: canGoToNextPage
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// ? () async {
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// await _controller.nextPage(
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// duration: pageTransitionDuration,
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// curve: Curves.easeOut,
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// );
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// }
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// : null,
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// icon: const Icon(Icons.arrow_right),
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// ),
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// ],
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// ),
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// ),
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// PdfPageNumber(
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// controller: _controller,
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// builder: (context, loadingState, page, pagesCount) {
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// if (loadingState != PdfLoadingState.success) {
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// return const Text("-/-");
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// }
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// return Text(
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// "$page/$pagesCount",
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// style: Theme.of(context).textTheme.titleMedium,
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// ).padded();
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// },
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// ),
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// ],
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// ),
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// )
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// : null,
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// body: PdfView(
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// builders: PdfViewBuilders<DefaultBuilderOptions>(
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// options: const DefaultBuilderOptions(),
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// documentLoaderBuilder: (_) =>
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// const Center(child: CircularProgressIndicator()),
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// pageLoaderBuilder: (_) =>
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// const Center(child: CircularProgressIndicator()),
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// errorBuilder: (p0, error) {
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// return Center(
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// child: Text(error.toString()),
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// );
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// },
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// ),
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// onPageChanged: (page) {
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// setState(() {
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// _currentPage = page;
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// });
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// },
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// controller: _controller,
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// ),
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// // PdfView(
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// // controller: _controller,
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// // onDocumentLoaded: (document) {
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// // setState(() {
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// // _totalPages = document.pagesCount;
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// // });
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// // },
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// // onPageChanged: (page) {
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// // setState(() {
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// // _currentPage = page;
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// // });
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// // },
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// // ),
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// );
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// }
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// }
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// import 'dart:math';
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// import 'package:flutter/foundation.dart';
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// import 'package:flutter/material.dart';
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// import 'package:flutter_animate/flutter_animate.dart';
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// import 'package:paperless_mobile/core/extensions/flutter_extensions.dart';
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// import 'package:pdfrx/pdfrx.dart';
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// class DocumentView extends StatefulWidget {
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// final Future<Uint8List> bytes;
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// final String? title;
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// final bool showAppBar;
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// final bool showControls;
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// const DocumentView({
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// Key? key,
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// required this.bytes,
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// this.showAppBar = true,
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// this.showControls = true,
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// this.title,
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// }) : super(key: key);
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// @override
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// State<DocumentView> createState() => _DocumentViewState();
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// }
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// class _DocumentViewState extends State<DocumentView> {
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// late final PdfViewerController _controller;
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// int _currentPage = 1;
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// int? _totalPages;
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// @override
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// void initState() {
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// super.initState();
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// _controller = PdfViewerController()
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// ..addListener(() {
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// if (_controller.isLoaded) {
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// setState(() {
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// _totalPages = _controller.pages.length;
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// });
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// }
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// });
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// }
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// @override
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// void dispose() {
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// _controller.dispose();
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// super.dispose();
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// }
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// @override
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// Widget build(BuildContext context) {
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// final pageTransitionDuration = MediaQuery.disableAnimationsOf(context)
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// ? 0.milliseconds
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// : 100.milliseconds;
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// final canGoToNextPage = _controller.isLoaded && _currentPage < _totalPages!;
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// final canGoToPreviousPage = _controller.isLoaded && _currentPage > 1;
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// return SafeArea(
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// child: Scaffold(
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// appBar: widget.showAppBar
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// ? AppBar(
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// title: widget.title != null ? Text(widget.title!) : null,
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// )
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// : null,
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// bottomNavigationBar: widget.showControls
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// ? BottomAppBar(
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// child: Row(
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// children: [
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// Flexible(
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// child: Row(
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// children: [
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// IconButton.filled(
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// onPressed: canGoToPreviousPage
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// ? () async {
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// await _controller.goToPage(
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// pageNumber: _currentPage - 1,
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// duration: pageTransitionDuration,
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// );
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// }
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// : null,
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// icon: const Icon(Icons.arrow_left),
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// ),
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// const SizedBox(width: 16),
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// IconButton.filled(
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// onPressed: canGoToNextPage
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// ? () async {
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// await _controller.goToPage(
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// pageNumber: _currentPage + 1,
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// duration: pageTransitionDuration,
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// );
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// }
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// : null,
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// icon: const Icon(Icons.arrow_right),
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// ),
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// ],
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// ),
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// ),
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// Builder(
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// builder: (context) {
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// if (_totalPages == null) {
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// return const SizedBox.shrink();
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// }
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// return Text(
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// "$_currentPage/$_totalPages",
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// style: Theme.of(context).textTheme.titleMedium,
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// ).padded();
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// },
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// ),
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// ],
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// ),
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// )
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// : null,
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// body: FutureBuilder<Uint8List>(
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// future: widget.bytes,
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// builder: (context, snapshot) {
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// if (!snapshot.hasData) {
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// return const Center(child: CircularProgressIndicator());
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// }
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// return PdfViewer.data(
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// snapshot.data!,
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// controller: _controller,
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// displayParams: PdfViewerParams(
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// minScale: 1,
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// boundaryMargin: EdgeInsets.all(24),
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// pageAnchor: PdfPageAnchor.center,
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// backgroundColor: Theme.of(context).colorScheme.background,
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// loadingBannerBuilder: (context, bytesDownloaded, totalBytes) {
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// return Center(
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// child: CircularProgressIndicator(),
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// );
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// },
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// layoutPages: (pages, params) {
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// final height =
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// pages.fold(0.0, (prev, page) => max(prev, page.height)) +
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// params.margin * 2;
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// final pageLayouts = <Rect>[];
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// double x = params.margin;
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// for (var page in pages) {
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// pageLayouts.add(
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// Rect.fromLTWH(
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// x,
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// (height - page.height) / 2, // center vertically
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// page.width,
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// page.height,
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// ),
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// );
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// x += page.width + params.margin;
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// }
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// return PdfPageLayout(
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// pageLayouts: pageLayouts,
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// documentSize: Size(x, height),
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// );
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// },
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// ),
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// );
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// },
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// ),
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// ),
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// );
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// }
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// }
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